SU1305625A2 - Program device - Google Patents

Abstract

The invention can be used in the construction of digital software devices. The purpose of the invention is improving the reliability of the formation of teams. The logical unit potential input to input 5 permits the passage of clock pulses from input 4 through element 3 to the counting input of accumulator 1 and at the same time enables operation of accumulator 1 and the trigger of circuit 2 for fixing the command. At outputs 6, ... 6k., Teams are formed. The occurrence of each subsequent command leads to the appearance of the corresponding previous scheme 2 of fixing the command of the potential of a logical unit. The signals of the commands 6 j ... 6 "., Are preserved until the potential of the logic zero arrives at the input 5 of the device, v. When a logical unit arrives at device 5 input 5, the operation cycle is repeated. 2 Il. (ABOUT

Description

113

The invention relates to automation, can be used in the construction of digital software devices and is an improvement of the device according to the author. No. 991361.

The purpose of the invention is to follow the credibility of the formation of teams.

Fig. I shows the block diagram of the device; figure 2 - functional diagram of the block fixing commands

The device contains rolls 1,. 1 fj of circuit 2. ,, 2 Command latching, coincidence element 3, control input 4, control input 5, output 6,. . .6 ,, h

Schemes 2 ... 2f., The command fixations contain the element AND 7, the element OR 8, the trigger 9, the inverter 10.

In the initial state, at the control input 5 there is a passage through element 3 of the coincidence of clock pulses arriving at input 4, to the input of accumulator 1 and holding the triggers of this accumulator and trigger 9 of the command fixing circuit 2 in the initial state. At the outputs 6 ... 6m of the device there are potentials

logical zero, which keep in the initial state the subsequent accumulators 1 and the triggers 9 of the corresponding command generation schemes

The device works as follows.

The operation of the device begins when the potential of a logical unit arrives at control input 5. This potential allows the passage of clock pulses from input 4 through element 3 of coincidence to the counting input of accumulator 1, and at the same time enables operation of accumulator i, at the installation input to zero, and also enables the trigger scheme 2, latching the command. Signals from bits of accumulator 1 are fed to the inputs of element 7 of schemes 2 ,,., 2c.), Fixing commands that select specific combinations of output signals of accumulators that determine the moments of formation of a signal at outputs 6, i ... 6 | ui .

On the leading edge of the output signal of the element And 7, whose output through the element OR 8 is connected to the input of the trigger 9, the trigger 9 is set to the state of one. Potential logical units; from trigger 9 output goes to output 6 |

device and the input to the installation of zero drive 1, allowing the work of the latter, as well as the input of the trigger 9 through the inverter 10 of the command fixing circuit 2, allowing it to be set to one when the signal from the output of the corresponding element AND 7 is received through the element OR 8 to the input S given trigger. After trigger trigger 9, the potential of a logical unit from its output to the post

devices

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for 5 fixing the team, allowing the formation of the next team. At the same time

the potential of the logical unit from output 6 is fed to the second input of the element of the scientific research institute 8 of the command fixing circuit 2 and, consequently, to the input S of the trigger 9, keeping it in the state of unity for the entire time the signal is present at 6. Similarly, occurs (normalization of subsequent commands at the outputs 6 .. .6,.,; And the occurrence of each subsequent command leads to the appearance at the input S of the flip-flop 9 of the preceding circuit 2 of fixing the command of the potential of the logical unit.

The command signals at the outputs 6, ... 6. are stored until the potential of the logical zero arrives at the input of the device, moreover, due to the presence of the potentials of the logical unit at the inputs S of the flip-flops 9 of the circuits 2,. .2c, the fixation of the command of the latter is less susceptible to interference than the known devices, which leads to greater reliability of the device. When a potential zero logical input is received at input 5, the device returns to the initial state.

After the arrival of the potential 5 of the logical unit, the operation cycle of the device is repeated.

formula of invention

Software device auth. EV, No. 991361, characterized in that, in order to determine the accuracy of the formation of commands, in it the output of each command latching circuit is connected to the control input of the previous command latching circuit.

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Thebes.2

Editor V. Petrash

Compiled by V. Kalinin Tehred L. Serdyukova

Order 1427/44 Circulation 371Subscription

VNIIPI USSR State Committee

for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5

Production and printing company, Uzhgorod, Projecto st., 4

Proofreader I. Muska

Claims (1)

Claim Software device for ed. St. No. 991361, characterized in that, in order to increase the reliability of command formation, in it the output of each command fixing circuit is connected to the control input of the previous command fixing circuit.